#!/usr/bin/python

a = 21 
b = 10
c = 0

c = a + b
print "+  => " +str(c)

c = a - b
print "- => " + str(c)

c = a * b 
print "* => " + str(c)

c = a/b
print "/ => " + str(c)

c = a % b
print "% => " + str(c)

c = a//b
print "// => " + str(c)
